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3d79cfaba1
To be able to load matrices to GL manually within Cogl we need a way to dirty the state cached by the client matrix stack API.
94 lines
4.0 KiB
C
94 lines
4.0 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2009 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Authors:
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* Havoc Pennington <hp@pobox.com> for litl
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*/
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#ifndef __COGL_CURRENT_MATRIX_H
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#define __COGL_CURRENT_MATRIX_H
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#include <cogl/cogl-matrix.h>
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/**
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* CoglMatrixMode:
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* @COGL_MATRIX_MODELVIEW: Select model-view matrix stack
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* @COGL_MATRIX_PROJECTION: Select projection matrix stack
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* @COGL_MATRIX_TEXTURE: Select texture matrix stack
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*
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* There are several matrix stacks affected by the COGL current matrix
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* operations (which are private). Code should always leave the
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* model-view matrix active, switching to the projection matrix stack
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* only temporarily in order to modify the projection matrix. Most
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* COGL and Clutter APIs (other than the current matrix operations)
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* will assume the model-view matrix is active when the API is
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* invoked.
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*
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* Since: 1.0
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*/
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typedef enum
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{
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COGL_MATRIX_MODELVIEW = 1,
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COGL_MATRIX_PROJECTION = 2,
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COGL_MATRIX_TEXTURE = 3
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} CoglMatrixMode;
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#define COGL_TYPE_MATRIX_MODE (cogl_matrix_mode_get_type ())
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GType cogl_matrix_mode_get_type (void) G_GNUC_CONST;
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void _cogl_set_current_matrix (CoglMatrixMode mode);
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void _cogl_current_matrix_push (void);
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void _cogl_current_matrix_pop (void);
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void _cogl_current_matrix_identity (void);
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void _cogl_current_matrix_load (const CoglMatrix *matrix);
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void _cogl_current_matrix_multiply (const CoglMatrix *matrix);
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void _cogl_current_matrix_rotate (float angle,
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float x,
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float y,
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float z);
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void _cogl_current_matrix_scale (float x,
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float y,
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float z);
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void _cogl_current_matrix_translate (float x,
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float y,
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float z);
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void _cogl_current_matrix_frustum (float left,
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float right,
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float bottom,
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float top,
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float near_val,
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float far_val);
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void _cogl_current_matrix_ortho (float left,
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float right,
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float bottom,
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float top,
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float near_val,
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float far_val);
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void _cogl_get_matrix (CoglMatrixMode mode,
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CoglMatrix *matrix);
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void _cogl_current_matrix_state_init (void);
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void _cogl_current_matrix_state_destroy (void);
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void _cogl_current_matrix_state_flush (void);
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void _cogl_current_matrix_state_dirty (void);
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#endif /* __COGL_CURRENT_MATRIX_H */
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